X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fmainx.c;h=e779361bf94b5b14be38b0079b9efa445476ea5f;hb=61f9a793476c426da908ab3a216902caa6575df8;hp=684526c653059886e8675dde406970d0069281fa;hpb=a43846ea275bbd398ce0e2d009ed89c7e800cb95;p=i3%2Fi3 diff --git a/src/mainx.c b/src/mainx.c index 684526c6..e779361b 100644 --- a/src/mainx.c +++ b/src/mainx.c @@ -3,13 +3,12 @@ * * i3 - an improved dynamic tiling window manager * - * © 2009 Michael Stapelberg and contributors + * © 2009-2010 Michael Stapelberg and contributors * * See file LICENSE for license information. * */ #include -#include #include #include #include @@ -18,6 +17,8 @@ #include #include #include +#include +#include #include #include @@ -29,7 +30,6 @@ #include #include #include -#include #include @@ -37,15 +37,23 @@ #include "data.h" #include "debug.h" #include "handlers.h" +#include "click.h" #include "i3.h" #include "layout.h" #include "queue.h" #include "table.h" #include "util.h" #include "xcb.h" +#include "randr.h" #include "xinerama.h" #include "manage.h" #include "ipc.h" +#include "log.h" +#include "sighandler.h" + +static int xkb_event_base; + +int xkb_current_group; xcb_connection_t *global_conn; @@ -55,8 +63,10 @@ char **start_argv; /* This is our connection to X11 for use with XKB */ Display *xkbdpy; +xcb_key_symbols_t *keysyms; + /* The list of key bindings */ -struct bindings_head bindings = TAILQ_HEAD_INITIALIZER(bindings); +struct bindings_head *bindings; /* The list of exec-lines */ struct autostarts_head autostarts = TAILQ_HEAD_INITIALIZER(autostarts); @@ -78,6 +88,9 @@ int num_screens = 0; /* The depth of the root screen (used e.g. for creating new pixmaps later) */ uint8_t root_depth; +/* We hope that XKB is supported and set this to false */ +bool xkb_supported = true; + /* * This callback is only a dummy, see xcb_prepare_cb and xcb_check_cb. * See also man libev(3): "ev_prepare" and "ev_check" - customise your event loop @@ -109,13 +122,92 @@ static void xcb_check_cb(EV_P_ ev_check *w, int revents) { } } +/* + * When using xmodmap to change the keyboard mapping, this event + * is only sent via XKB. Therefore, we need this special handler. + * + */ +static void xkb_got_event(EV_P_ struct ev_io *w, int revents) { + DLOG("Handling XKB event\n"); + XkbEvent ev; + + /* When using xmodmap, every change (!) gets an own event. + * Therefore, we just read all events and only handle the + * mapping_notify once. */ + bool mapping_changed = false; + while (XPending(xkbdpy)) { + XNextEvent(xkbdpy, (XEvent*)&ev); + /* While we should never receive a non-XKB event, + * better do sanity checking */ + if (ev.type != xkb_event_base) + continue; + + if (ev.any.xkb_type == XkbMapNotify) { + mapping_changed = true; + continue; + } + + if (ev.any.xkb_type != XkbStateNotify) { + ELOG("Unknown XKB event received (type %d)\n", ev.any.xkb_type); + continue; + } + + /* See The XKB Extension: Library Specification, section 14.1 */ + /* We check if the current group (each group contains + * two levels) has been changed. Mode_switch activates + * group XkbGroup2Index */ + if (xkb_current_group == ev.state.group) + continue; + + xkb_current_group = ev.state.group; + + if (ev.state.group == XkbGroup2Index) { + DLOG("Mode_switch enabled\n"); + grab_all_keys(global_conn, true); + } + + if (ev.state.group == XkbGroup1Index) { + DLOG("Mode_switch disabled\n"); + ungrab_all_keys(global_conn); + grab_all_keys(global_conn, false); + } + } + + if (!mapping_changed) + return; + + DLOG("Keyboard mapping changed, updating keybindings\n"); + xcb_key_symbols_free(keysyms); + keysyms = xcb_key_symbols_alloc(global_conn); + + xcb_get_numlock_mask(global_conn); + + ungrab_all_keys(global_conn); + DLOG("Re-grabbing...\n"); + translate_keysyms(); + grab_all_keys(global_conn, (xkb_current_group == XkbGroup2Index)); + DLOG("Done\n"); +} + + int main(int argc, char *argv[], char *env[]) { int i, screens, opt; char *override_configpath = NULL; bool autostart = true; + bool only_check_config = false; + bool force_xinerama = false; xcb_connection_t *conn; xcb_property_handlers_t prophs; xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS]; + static struct option long_options[] = { + {"no-autostart", no_argument, 0, 'a'}, + {"config", required_argument, 0, 'c'}, + {"version", no_argument, 0, 'v'}, + {"help", no_argument, 0, 'h'}, + {"force-xinerama", no_argument, 0, 0}, + {0, 0, 0, 0} + }; + int option_index = 0; setlocale(LC_ALL, ""); @@ -125,7 +217,7 @@ int main(int argc, char *argv[], char *env[]) { start_argv = argv; - while ((opt = getopt(argc, argv, "c:va")) != -1) { + while ((opt = getopt_long(argc, argv, "c:Cvahld:V", long_options, &option_index)) != -1) { switch (opt) { case 'a': LOG("Autostart disabled using -a\n"); @@ -134,11 +226,46 @@ int main(int argc, char *argv[], char *env[]) { case 'c': override_configpath = sstrdup(optarg); break; + case 'C': + LOG("Checking configuration file only (-C)\n"); + only_check_config = true; + break; case 'v': printf("i3 version " I3_VERSION " © 2009 Michael Stapelberg and contributors\n"); exit(EXIT_SUCCESS); + case 'V': + set_verbosity(true); + break; + case 'd': + LOG("Enabling debug loglevel %s\n", optarg); + add_loglevel(optarg); + break; + case 'l': + /* DEPRECATED, ignored for the next 3 versions (3.e, 3.f, 3.g) */ + break; + case 0: + if (strcmp(long_options[option_index].name, "force-xinerama") == 0) { + force_xinerama = true; + ELOG("Using Xinerama instead of RandR. This option should be " + "avoided at all cost because it does not refresh the list " + "of screens, so you cannot configure displays at runtime. " + "Please check if your driver really does not support RandR " + "and disable this option as soon as you can.\n"); + break; + } + /* fall-through */ default: - fprintf(stderr, "Usage: %s [-c configfile]\n", argv[0]); + fprintf(stderr, "Usage: %s [-c configfile] [-d loglevel] [-a] [-v] [-V] [-C]\n", argv[0]); + fprintf(stderr, "\n"); + fprintf(stderr, "-a: disable autostart\n"); + fprintf(stderr, "-v: display version and exit\n"); + fprintf(stderr, "-V: enable verbose mode\n"); + fprintf(stderr, "-d : enable debug loglevel \n"); + fprintf(stderr, "-c : use the provided configfile instead\n"); + fprintf(stderr, "-C: check configuration file and exit\n"); + fprintf(stderr, "--force-xinerama: Use Xinerama instead of RandR. This " + "option should only be used if you are stuck with the " + "nvidia closed source driver which does not support RandR.\n"); exit(EXIT_FAILURE); } } @@ -157,6 +284,18 @@ int main(int argc, char *argv[], char *env[]) { die("Cannot open display\n"); load_configuration(conn, override_configpath, false); + if (only_check_config) { + LOG("Done checking configuration file. Exiting.\n"); + exit(0); + } + + /* Create the initial container on the first workspace. This used to + * be part of init_table, but since it possibly requires an X + * connection and a loaded configuration (default mode for new + * containers may be stacking, which requires a new window to be + * created), it had to be delayed. */ + expand_table_cols(TAILQ_FIRST(workspaces)); + expand_table_rows(TAILQ_FIRST(workspaces)); /* Place requests for the atoms we need as soon as possible */ #define REQUEST_ATOM(name) atom_cookies[name] = xcb_intern_atom(conn, 0, strlen(#name), #name); @@ -178,6 +317,10 @@ int main(int argc, char *argv[], char *env[]) { REQUEST_ATOM(WM_DELETE_WINDOW); REQUEST_ATOM(UTF8_STRING); REQUEST_ATOM(WM_STATE); + REQUEST_ATOM(WM_CLIENT_LEADER); + REQUEST_ATOM(_NET_CURRENT_DESKTOP); + REQUEST_ATOM(_NET_ACTIVE_WINDOW); + REQUEST_ATOM(_NET_WORKAREA); /* TODO: this has to be more beautiful somewhen */ int major, minor, error; @@ -185,32 +328,55 @@ int main(int argc, char *argv[], char *env[]) { major = XkbMajorVersion; minor = XkbMinorVersion; - int evBase, errBase; + int errBase; - if ((xkbdpy = XkbOpenDisplay(getenv("DISPLAY"), &evBase, &errBase, &major, &minor, &error)) == NULL) { - fprintf(stderr, "XkbOpenDisplay() failed\n"); - return 1; + if ((xkbdpy = XkbOpenDisplay(getenv("DISPLAY"), &xkb_event_base, &errBase, &major, &minor, &error)) == NULL) { + ELOG("ERROR: XkbOpenDisplay() failed, disabling XKB support\n"); + xkb_supported = false; } - int i1; - if (!XkbQueryExtension(xkbdpy,&i1,&evBase,&errBase,&major,&minor)) { - fprintf(stderr, "XKB not supported by X-server\n"); - return 1; + if (xkb_supported) { + if (fcntl(ConnectionNumber(xkbdpy), F_SETFD, FD_CLOEXEC) == -1) { + fprintf(stderr, "Could not set FD_CLOEXEC on xkbdpy\n"); + return 1; + } + + int i1; + if (!XkbQueryExtension(xkbdpy,&i1,&xkb_event_base,&errBase,&major,&minor)) { + fprintf(stderr, "XKB not supported by X-server\n"); + return 1; + } + /* end of ugliness */ + + if (!XkbSelectEvents(xkbdpy, XkbUseCoreKbd, + XkbMapNotifyMask | XkbStateNotifyMask, + XkbMapNotifyMask | XkbStateNotifyMask)) { + fprintf(stderr, "Could not set XKB event mask\n"); + return 1; + } } - /* end of ugliness */ /* Initialize event loop using libev */ - struct ev_loop *loop = ev_default_loop(0); + struct ev_loop *loop = ev_loop_new(0); if (loop == NULL) die("Could not initialize libev. Bad LIBEV_FLAGS?\n"); struct ev_io *xcb_watcher = scalloc(sizeof(struct ev_io)); + struct ev_io *xkb = scalloc(sizeof(struct ev_io)); struct ev_check *xcb_check = scalloc(sizeof(struct ev_check)); struct ev_prepare *xcb_prepare = scalloc(sizeof(struct ev_prepare)); ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ); ev_io_start(loop, xcb_watcher); + if (xkb_supported) { + ev_io_init(xkb, xkb_got_event, ConnectionNumber(xkbdpy), EV_READ); + ev_io_start(loop, xkb); + + /* Flush the buffer so that libev can properly get new events */ + XFlush(xkbdpy); + } + ev_check_init(xcb_check, xcb_check_cb); ev_check_start(loop, xcb_check); @@ -232,9 +398,8 @@ int main(int argc, char *argv[], char *env[]) { /* Expose = an Application should redraw itself, in this case it’s our titlebars. */ xcb_event_set_expose_handler(&evenths, handle_expose_event, NULL); - /* Key presses/releases are pretty obvious, I think */ + /* Key presses are pretty obvious, I think */ xcb_event_set_key_press_handler(&evenths, handle_key_press, NULL); - xcb_event_set_key_release_handler(&evenths, handle_key_release, NULL); /* Enter window = user moved his mouse over the window */ xcb_event_set_enter_notify_handler(&evenths, handle_enter_notify, NULL); @@ -249,6 +414,9 @@ int main(int argc, char *argv[], char *env[]) { it any longer. Usually, the client destroys the window shortly afterwards. */ xcb_event_set_unmap_notify_handler(&evenths, handle_unmap_notify_event, NULL); + /* Destroy notify is handled the same as unmap notify */ + xcb_event_set_destroy_notify_handler(&evenths, handle_destroy_notify_event, NULL); + /* Configure notify = window’s configuration (geometry, stacking, …). We only need it to set up ignore the following enter_notify events */ xcb_event_set_configure_notify_handler(&evenths, handle_configure_event, NULL); @@ -256,6 +424,13 @@ int main(int argc, char *argv[], char *env[]) { /* Configure request = window tried to change size on its own */ xcb_event_set_configure_request_handler(&evenths, handle_configure_request, NULL); + /* Motion notify = user moved his cursor (over the root window and may + * cross virtual screen boundaries doing that) */ + xcb_event_set_motion_notify_handler(&evenths, handle_motion_notify, NULL); + + /* Mapping notify = keyboard mapping changed (Xmodmap), re-grab bindings */ + xcb_event_set_mapping_notify_handler(&evenths, handle_mapping_notify, NULL); + /* Client message are sent to the root window. The only interesting client message for us is _NET_WM_STATE, we honour _NET_WM_STATE_FULLSCREEN */ xcb_event_set_client_message_handler(&evenths, handle_client_message, NULL); @@ -276,15 +451,18 @@ int main(int argc, char *argv[], char *env[]) { XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* when the user adds a screen (e.g. video projector), the root window gets a ConfigureNotify */ + XCB_EVENT_MASK_POINTER_MOTION | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_ENTER_WINDOW }; - xcb_change_window_attributes(conn, root, mask, values); + xcb_void_cookie_t cookie; + cookie = xcb_change_window_attributes_checked(conn, root, mask, values); + check_error(conn, cookie, "Another window manager seems to be running"); /* Setup NetWM atoms */ #define GET_ATOM(name) { \ xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, atom_cookies[name], NULL); \ if (!reply) { \ - LOG("Could not get atom " #name "\n"); \ + ELOG("Could not get atom " #name "\n"); \ exit(-1); \ } \ atoms[name] = reply->atom; \ @@ -308,6 +486,10 @@ int main(int argc, char *argv[], char *env[]) { GET_ATOM(WM_DELETE_WINDOW); GET_ATOM(UTF8_STRING); GET_ATOM(WM_STATE); + GET_ATOM(WM_CLIENT_LEADER); + GET_ATOM(_NET_CURRENT_DESKTOP); + GET_ATOM(_NET_ACTIVE_WINDOW); + GET_ATOM(_NET_WORKAREA); xcb_property_set_handler(&prophs, atoms[_NET_WM_WINDOW_TYPE], UINT_MAX, handle_window_type, NULL); /* TODO: In order to comply with EWMH, we have to watch _NET_WM_STRUT_PARTIAL */ @@ -324,6 +506,12 @@ int main(int argc, char *argv[], char *env[]) { /* Watch WM_CLASS (= class of the window) */ xcb_property_set_handler(&prophs, WM_CLASS, 128, handle_windowclass_change, NULL); + /* Watch WM_CLIENT_LEADER (= logical parent window for toolbars etc.) */ + xcb_property_set_handler(&prophs, atoms[WM_CLIENT_LEADER], UINT_MAX, handle_clientleader_change, NULL); + + /* Watch WM_HINTS (contains the urgent property) */ + xcb_property_set_handler(&prophs, WM_HINTS, UINT_MAX, handle_hints, NULL); + /* Set up the atoms we support */ check_error(conn, xcb_change_property_checked(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTED], ATOM, 32, 7, atoms), "Could not set _NET_SUPPORTED"); @@ -331,59 +519,80 @@ int main(int argc, char *argv[], char *env[]) { xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTING_WM_CHECK], WINDOW, 32, 1, &root); xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_WM_NAME], atoms[UTF8_STRING], 8, strlen("i3"), "i3"); + keysyms = xcb_key_symbols_alloc(conn); + xcb_get_numlock_mask(conn); - grab_all_keys(conn); + translate_keysyms(); + grab_all_keys(conn, false); - /* Autostarting exec-lines */ - struct Autostart *exec; - if (autostart) { - TAILQ_FOREACH(exec, &autostarts, autostarts) { - LOG("auto-starting %s\n", exec->command); - start_application(exec->command); - } - } + int randr_base; + if (force_xinerama) { + initialize_xinerama(conn); + } else { + DLOG("Checking for XRandR...\n"); + initialize_randr(conn, &randr_base); - /* check for Xinerama */ - LOG("Checking for Xinerama...\n"); - initialize_xinerama(conn); + xcb_event_set_handler(&evenths, + randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY, + handle_screen_change, + NULL); + } xcb_flush(conn); - manage_existing_windows(conn, &prophs, root); - /* Get pointer position to see on which screen we’re starting */ xcb_query_pointer_reply_t *reply; if ((reply = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL)) == NULL) { - LOG("Could not get pointer position\n"); + ELOG("Could not get pointer position\n"); return 1; } - i3Screen *screen = get_screen_containing(reply->root_x, reply->root_y); + Output *screen = get_output_containing(reply->root_x, reply->root_y); if (screen == NULL) { - LOG("ERROR: No screen at %d x %d\n", reply->root_x, reply->root_y); - return 0; - } - if (screen->current_workspace != 0) { - LOG("Ok, I need to go to the other workspace\n"); - c_ws = &workspaces[screen->current_workspace]; + ELOG("ERROR: No screen at %d x %d, starting on the first screen\n", + reply->root_x, reply->root_y); + screen = get_first_output(); } + DLOG("Starting on %p\n", screen->current_workspace); + c_ws = screen->current_workspace; + + manage_existing_windows(conn, &prophs, root); + /* Create the UNIX domain socket for IPC */ - int ipc_socket = ipc_create_socket("/tmp/i3.s"); - if (ipc_socket == -1) { - LOG("Could not create the IPC socket, IPC disabled\n"); - } else { - struct ev_io *ipc_io = scalloc(sizeof(struct ev_io)); - ev_io_init(ipc_io, ipc_new_client, ipc_socket, EV_READ); - ev_io_start(loop, ipc_io); + if (config.ipc_socket_path != NULL) { + int ipc_socket = ipc_create_socket(config.ipc_socket_path); + if (ipc_socket == -1) { + ELOG("Could not create the IPC socket, IPC disabled\n"); + } else { + struct ev_io *ipc_io = scalloc(sizeof(struct ev_io)); + ev_io_init(ipc_io, ipc_new_client, ipc_socket, EV_READ); + ev_io_start(loop, ipc_io); + } } /* Handle the events which arrived until now */ xcb_check_cb(NULL, NULL, 0); + setup_signal_handler(); + + /* Ignore SIGPIPE to survive errors when an IPC client disconnects + * while we are sending him a message */ + signal(SIGPIPE, SIG_IGN); + /* Ungrab the server to receive events and enter libev’s eventloop */ xcb_ungrab_server(conn); + + /* Autostarting exec-lines */ + struct Autostart *exec; + if (autostart) { + TAILQ_FOREACH(exec, &autostarts, autostarts) { + LOG("auto-starting %s\n", exec->command); + start_application(exec->command); + } + } + ev_loop(loop, 0); /* not reached */